
public class Node {
	
	private char letter; // label on incoming branch
	private boolean isWord; // true when node represents a word
	private Node sibling; // next sibling (when it exists)
	private Node child; // first child (when it exists)
	
	/** create a new node with letter c */
	public Node(char c){
		letter = c;
		isWord = false;
		sibling = null;
		child = null;
	}
	
	// include accessors and mutators for
	// the various components of the class
	
}
